more than a week after the earthquake and tsunami charlie gata reports the food supply is showing high levels of radiation and the nuclear plant is yet to be stabilized. >> reporter: fears about contamination from the crippled fukushima nuclear plant are growing after tests of spinach and milk showed elevated levels of radiation. >> the sample says feed, food products recorded radiation level that is over the limits. >> reporter: radioactive iodine was also found in tap water as far away as tokyo. some nuclear experts say the findings are not cause for worry just yet. >> the amount of radiation, even, that has been detected in the food so far in japan, while it's above normal safety limit, it poses no substantial health threat. >> reporter: workers keep spraying water on the most vulnerable areas of the fukushima plant. they are trying to restore power although that's unclear it will restart the plant's cooling system. >> we do not know if the water pups have been damaged and if they'll work when the power is restored. >> reporter: the spread of radiation is just one of the many concer